/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *  
 *    http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License. 
 *  
 */
package org.apache.directory.studio.proxy.handlers;


import java.util.concurrent.TimeUnit;

import org.apache.directory.ldap.client.api.LdapConnection;
import org.apache.directory.ldap.client.api.future.CompareFuture;
import org.apache.directory.ldap.client.api.message.CompareRequest;
import org.apache.directory.ldap.client.api.message.CompareResponse;
import org.apache.directory.ldap.client.api.message.LdapResult;
import org.apache.directory.shared.ldap.message.AddResponseImpl;
import org.apache.directory.shared.ldap.message.CompareResponseImpl;
import org.apache.directory.shared.ldap.message.ResultCodeEnum;
import org.apache.directory.shared.ldap.message.internal.InternalAddResponse;
import org.apache.directory.shared.ldap.message.internal.InternalCompareRequest;
import org.apache.directory.shared.ldap.message.internal.InternalCompareResponse;
import org.apache.directory.shared.ldap.message.internal.InternalLdapResult;
import org.apache.directory.studio.proxy.LdapConnectionStore;
import org.apache.directory.studio.proxy.ProxyIO;
import org.apache.mina.core.session.IoSession;
import org.dom4j.Document;
import org.dom4j.Element;


/**
 * Request handler for a compare request.
 *
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
 */
public class CompareHandler extends AbstractMessageHandler<InternalCompareRequest>
{
    /* (non-Javadoc)
     * @see org.apache.directory.studio.proxy.handlers.AbstractMessageHandler#handleMessage(org.apache.mina.core.session.IoSession, java.lang.Object)
     */
    public void handleMessage( IoSession session, InternalCompareRequest message ) throws Exception
    {

        super.handleMessage( session, message );
        //Get file/document for session for session
        Document document = ProxyIO.getDocumentForSession( session );

        //Serializing Compare request
        ProxyIO.writeCompareRequest( message, document, session );

        LdapConnection connection = LdapConnectionStore.getConnection( session );

        //Forwarding the Compare Request
        CompareRequest compareRequest = new CompareRequest();
        compareRequest.setMessageId( message.getMessageId() );
        compareRequest.setEntryDn( message.getName() );
        compareRequest.setAttrName( message.getAttributeId() );
        compareRequest.setValue( message.getAssertionValue() );
        CompareFuture compareFuture = connection.compareAsync( compareRequest );
        // Creating the response
        CompareResponse compareResponse = compareFuture.get( 1000, TimeUnit.MILLISECONDS );

        InternalCompareResponse response = new CompareResponseImpl( compareResponse.getMessageId() );
        LdapResult inResult = compareResponse.getLdapResult();
        InternalLdapResult outResult = response.getLdapResult();

        forwardLDAPResult( inResult, outResult );

        //Serializing Compare response
        ProxyIO.writeCompareResponse( response, document, session );

        // Writing the response
        writeResponse( response.toString() );
        session.write( response );
    }
}
